Good references on lantern slides, film strips, etc., for educational use 
By: Compiled by Ellsworth C. Dent, chief, Visual Instruction Division, National Park Service and Martha R. McCabe, assistant librarian. United States Department of the Interior, Harold L. Ickes, secretary. Office of Education, J.W. Studebaker, commissioner.
Contributors: McCabe, Martha R.
Series: U.S. Office of Education. Bibliography ;; no. 33; Bibliography (United States. Office of Education) ;; no. 33.
Publisher: U.S. Govt. Print. Off.
Published: 1935
Place of publication: Washington
Language: eng
Number of pages: 10
Subjects: Visual education -- Bibliography.; Motion pictures in education -- Bibliography.; Radio -- Bibliography.
Genres: Bibliography.